Patent Yard Sign in
Expired Canadian patentCanada

Shortened wound healing processes by means of novel fiber non-wovens

CA 2592148 C · Owner: Haisch, Andreas · Inventors: Baecker, Iwer; Haisch, Andreas; Thierauf, Axel

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A multilayered dressing having at least the following structure: a non-woven (1) which enters into contact with a wound and a membrane (3) which , is , watertight and contains at least one water-insoluble polymer. The bonding between , membrane 3 and nonwoven 1 is loose and easily broken or non-existent and the , nonwoven 1 includes biodegradable and/or-absorbable fibrous structures. These features allow the dressing to be easily removed without disturbing the wound.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 30, 2005 and granted October 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 30, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 30, 2005
GrantedOctober 29, 2013
Term endedDecember 30, 2025
Patent numberCA 2592148 C
Classification (IPC)A61L15/42 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 30, 2005Patent grantedOct 29, 2013Term endedDec 30, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.